Rename WebCore namespace to blink in Platform

Source/platform/heap/Visitor.cpp

 /*
  * Copyright (C) 2014 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 16 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "platform/heap/Visitor.h"
 
 #include "platform/heap/Handle.h"
 #include "platform/heap/Heap.h"
 
-namespace WebCore {
+namespace blink {
 
 #if ENABLE(ASSERT)
 void Visitor::checkGCInfo(const void* payload, const GCInfo* gcInfo)
 {
     FinalizedHeapObjectHeader::fromPayload(payload)->checkHeader();
 #if !defined(COMPONENT_BUILD)
     // On component builds we cannot compare the gcInfos as they are statically
     // defined in each of the components and hence will not match.
     BaseHeapPage* page = pageHeaderFromObject(payload);
     ASSERT(page->orphaned() || FinalizedHeapObjectHeader::fromPayload(payload)->gcInfo() == gcInfo);
 #endif
 }
 
 #define DEFINE_VISITOR_CHECK_MARKER(Type)                                \
     void Visitor::checkGCInfo(const Type* payload, const GCInfo* gcInfo) \
     {                                                                    \
         HeapObjectHeader::fromPayload(payload)->checkHeader();           \
         Type* object = const_cast<Type*>(payload);                       \
         BaseHeapPage* page = pageHeaderFromObject(object);               \
         ASSERT(page->orphaned() || page->gcInfo() == gcInfo);            \
     }
 
 FOR_EACH_TYPED_HEAP(DEFINE_VISITOR_CHECK_MARKER)
 #undef DEFINE_VISITOR_CHECK_MARKER
 #endif
 
 }